2019979690

素因数分解:

$2^1\times 5^1\times {\mathrm{9613}}^1\times {\mathrm{21013}}^1$

素因数の和:30633

約数の個数: 16

約数和(自身を含む): 3636514728

約数和(自身を除く): 1616535038

約数列:

[1, 2, 5, 10, 9613, 19226, 21013, 42026, 48065, 96130, 105065, 210130, 201997969, 403995938, 1009989845, 2019979690]

約数ペア:

[(1, 2019979690), (2, 1009989845), (5, 403995938), (10, 201997969), (9613, 210130), (19226, 105065), (21013, 96130), (42026, 48065)]